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Finding the Third Proportional to 368,592.75 and 556,270.88

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Solution

The third proportional to 368,592.75 and 556,270.88 is: 839,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,592.75 : 556,270.88 = 556,270.88 : x
  2. Step 2: Convert to fraction form
    368,592.75/556,270.88 = 556,270.88/x
  3. Step 3: Cross multiply
    368,592.75x = 556,270.88 × 556,270.88
  4. Step 4: Simplify right side
    368,592.75x = 309,437,286,373.27
  5. Step 5: Solve for x
    x = 309,437,286,373.27/368,592.75
  6. Step 6: Final answer
    x = 839,509.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.